diff --git a/lib/linguist/generated.rb b/lib/linguist/generated.rb
index 405c8033ae..5a49e9efc8 100644
--- a/lib/linguist/generated.rb
+++ b/lib/linguist/generated.rb
@@ -337,6 +337,7 @@ def generated_postscript?
 
     def generated_go?
       return false unless extname == '.go'
+      return false unless name =~ %r{(?:^|/)[^/]*_generated\..+\.go$}
       return false unless lines.count > 1
 
       return lines.first(40).any? { |l| l =~ %r{^// Code generated .*} }
diff --git a/samples/Go/foo_generated.deepcopy.go b/samples/Go/foo_generated.deepcopy.go
new file mode 100644
index 0000000000..2c5ff87482
--- /dev/null
+++ b/samples/Go/foo_generated.deepcopy.go
@@ -0,0 +1,119 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Example) DeepCopyInto(out *Example) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Example.
+func (in *Example) DeepCopy() *Example {
+	if in == nil {
+		return nil
+	}
+	out := new(Example)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *Example) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExampleList) DeepCopyInto(out *ExampleList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]Example, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleList.
+func (in *ExampleList) DeepCopy() *ExampleList {
+	if in == nil {
+		return nil
+	}
+	out := new(ExampleList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ExampleList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExampleSpec) DeepCopyInto(out *ExampleSpec) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleSpec.
+func (in *ExampleSpec) DeepCopy() *ExampleSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ExampleSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExampleStatus) DeepCopyInto(out *ExampleStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleStatus.
+func (in *ExampleStatus) DeepCopy() *ExampleStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ExampleStatus)
+	in.DeepCopyInto(out)
+	return out
+}
diff --git a/test/test_blob.rb b/test/test_blob.rb
index 2ab7f1b02b..95a8cc36c1 100644
--- a/test/test_blob.rb
+++ b/test/test_blob.rb
@@ -204,6 +204,7 @@ def test_generated
     assert sample_blob_memory("Go/api.pb.go").generated?
     assert sample_blob_memory("Go/embedded.go").generated?
     assert sample_blob_memory("Go/oapi-codegen.go").generated?
+    assert sample_blob_memory("Go/foo_generated.deepcopy.go").generated?
     assert sample_blob_memory("JavaScript/proto.js").generated?
     assert sample_blob_memory("TypeScript/proto.ts").generated?
     assert sample_blob_memory("PHP/ProtobufGenerated.php").generated?